Which of the following is a recommended maintenance step for preventing septic system failure?

Regular pumping of the septic system is a critical maintenance step that significantly helps in preventing septic system failure. Over time, solids accumulate in the septic tank, and if not removed, these solids can clog the system, leading to backup and system failure. By routinely pumping the tank, typically every three to five years depending on usage and household size, homeowners can remove these accumulated solids, helping ensure that the tank functions properly and that the effluent can flow freely to the drain field for effective treatment.

This practice not only extends the life of the septic system but also preserves the performance of the drain field. Neglecting regular pumping can lead to costly repairs and environmental issues, including groundwater contamination. Therefore, consistent maintenance through regular pumping is essential to the longevity and functionality of septic systems.